{"instruction": "You are an expert in named entity recognition. Please extract entities that match the schema definition from the input. Return an empty list if the entity type does not exist. Please respond in the format of a JSON string.", "schema": ["Chemical"], "input": "Taken together , these results indicate that the canonical Wnt / beta - catenin signaling pathway may play an important role in TCDD - induced neurotoxicity and neuronal apoptosis ."}
{"Chemical": ["TCDD"]}